资源描述：
《运输顺槽超前探放水设计方案(1)》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、探放水设计方案根据《煤矿安全规程》规定以及行业管理的标准要求，对井下作业地点必须坚持“有疑必探，先探后掘”“每掘必探，探放结合”的探放水原则，结合本矿的实际地质情况特制定此探放水设计方案。一、组织机构组长：刘敏副组长：张明探水科长：李保成探水队长：赵有珍探水技术员：李永锋探水成员：刘艳文武彩玉张利兵秦旋二、设计依据1、根据《煤矿安全规程》。2、根据《煤矿各工种操作规程》。3、根据《煤矿防治水规定》。4、根据山西省地方文件“有掘必探，先探后掘”的规定。5、工程项目：2202运输顺槽超前探放水设计。6、用途：为2202运输顺槽掘进安全超前
2、探放水提供依据。三、施工地点概况1、工作面对应地面位置Pileboredpilecanbeused,andartificialdiggingpile,prefabricatedreinforcedconcretesheetpilesorsheetpile,andsoon.Whenexcavationdepthislarge,youcansetmultichannelsupport,toreducestress,rushdrillingthroughrock,theoldbase.InretainingpilewaterjetGrout
3、ingcurtainbetweeneffects,butbecauseofthedepthofexcavationwithinthegreatwallcouldnotanchororsupport,boltcannotconstruction,bolt,NorthandSouthwouldnotbesymmetricalonbothsidesusepiles,insettingupasupportwithouttheappropriatesupportmethods.2.1.4channelsteelsheetpilewhichisa
4、simplesteelsheetpileretainingwallprosandconsbychannelsteelbucklelaporside-by-sidecomponents.Channel6~10mlong,modeldeterminedbycalculation.Features:steelwithgooddurability,pitconstructionchannelcanbepulledoutafterthecompletionofbackfillsoilrecyclingtouseagain;Convenient,
5、short;Impervioustowaterandsmallparticlesinthesoil,inareaswithhighwaterorrain-proofmeasuresareneeded;Bendingstrengthisweak,andmoreforthedepthofshallowFoundationpitislessthan4m,orGroove,supportorpulledtogethershouldbeinstalledatthetopanchor;Supportingstiffnessofsmalldefor
6、mationafterexcavation.2.1.5boredpileretainingwallonboredpileistheup-pilehasbeenwidelyusedinChina.Itsmorefortheexcavationofthepit7~10m,ingoodsoilintheNorthareaofChinahas8~9marmpileretainingwall.Drillingperfusionpilesupportnursingwallbodyoffeatureshas:constructionShinovib
7、ration,andnonoise,environmentpollution-,nosqueezesoilphenomenon,onaroundenvironmenteffectsmall;wallbodystrengthhigh,stiffnessbig,supportnursingstabilitygood,工作面对应的地表大部分为荒山，有少量耕地，沟谷地段平时干涸，只有雨季有水流过。2、工作面井下位置及四邻采掘情况掘进工作面位于井田西部，西部与本矿2#煤运输大巷相邻，距运输大巷40m；南部与2202回风顺槽相邻，距2202回风顺
8、槽150m；北部与2#煤总回风大巷相邻，距2#煤总回风大巷383m；矿界东部与胜利煤矿相邻。3、掘进工作面概况掘进工作面施工掘进煤层为二叠系下统山西组，掘进巷在矿界东部盘区内，经调查了解原来开采2#煤层的老工人及水文地质
